The simple LED oscilloscope circuit explained in this article can be used for analyzing low frequency waveform through a 10 x 10 LED matrix display. Due to the involvement of […]
Password Lock Circuit Using IC 4017
In this post we are going to construct a general purpose password based electronic lock circuit without any involvement of microcontroller. You can use this circuit for numerous applications where […]
LED Star Circuit
This circuit can be used like a tree ornament, however the LED star circuit explained here has a variation; it’s completely electronic and it provides the impression of an exploding […]
Automatic School Bell System Using IC 4017 and IC 555
In this post we are going to construct an automatic school bell system using the IC 4017 which can be programmed to activate an AC bell in regular intervals (between […]
Simple IC 4017 Circuits
The IC 4017 is a versatile counter divider IC which can be applied for making many different interesting electronic circuits. In this post we will learn about a few useful […]
Converting Wasted Spark Ignition to Sequential Spark, for High Efficiency Combustion
The post explains a simple method of converting a wasted spark type ignition system in an automobile, into an enhanced, sequential spark, 6 cylinder engine type ignition system. The idea […]